package com.sharedprint.interceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

public class CrossInterceptor implements HandlerInterceptor {
	
	@Override
	public void afterCompletion(HttpServletRequest arg0, HttpServletResponse response, Object arg2, Exception arg3)
			throws Exception {
	}
	/**
	 * 
	 */
	@Override
	public void postHandle(HttpServletRequest arg0, HttpServletResponse arg1, Object arg2, ModelAndView arg3)
			throws Exception {
		
	}

	/**
	 * 进入pageList验证token
	 */
	@Override
	public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object arg2) throws Exception {
		System.out.println("CrossInterceptor..跨域问题2");
		String userId = request.getHeader("userId");
		String token = request.getHeader("token");
		System.out.println("CrossInterceptor..token="+token+"..userId="+userId);
		response.setHeader("Access-Control-Allow-Origin", "*");
        response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE");
        response.setHeader("Access-Control-Allow-Headers", "token,userId");
        //response.setHeader("Access-Control-Allow-Credentials", "true");
        
		return true;
	}

}
